Pilot Study of Edaravone to Treat Acute Myocardial Infarction
Early reperfusion therapy has improved the clinical outcomes of patients with acute myocardial infarction (AMI), but these benefits are limited in some patients by reperfusion injuries. There is now increasing evidence that reactive oxygen species cause reperfusion injury. This study was designed to examine the effects of edaravone, a novel free radical scavenger, in patients with AMI.
Initial AMI patients were randomly assigned to receive 30 mg of edaravone or a placebo intravenously just before reperfusion. We compared infarct size, using serial determination of serum biomarkers and Q wave formations, and the incidence of reperfusion arrhythmia between the groups. Cardiovascular event-free curves were estimated by Kaplan-Meier method. In addition, we determined serum thioredoxin levels, an oxidative stress marker, to assess the antioxidant effect of edaravone.
Allocation: Randomized, Control: Placebo Control, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment
Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University
Results (where available)
- Source: http://clinicaltrials.gov/show/NCT00265239
- Information obtained from ClinicalTrials.gov on July 15, 2010
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Medical and Biotech [MESH] Definitions
MYOCARDIAL INFARCTION in which the anterior wall of the heart is involved. Anterior wall myocardial infarction is often caused by occlusion of the left anterior descending coronary artery. It can be categorized as anteroseptal or anterolateral wall myocardial infarction.
MYOCARDIAL INFARCTION in which the inferior wall of the heart is involved. It is often caused by occlusion of the right coronary artery.
Laceration or tearing of cardiac tissues appearing after MYOCARDIAL INFARCTION.
A malformation that is characterized by a muscle bridge over a segment of the CORONARY ARTERIES. Systolic contractions of the muscle bridge can lead to narrowing of coronary artery; coronary compression; MYOCARDIAL ISCHEMIA; MYOCARDIAL INFARCTION; and SUDDEN CARDIAC DEATH.
An episode of MYOCARDIAL ISCHEMIA that generally lasts longer than a transient anginal episode but that does not usually result in MYOCARDIAL INFARCTION.